Flue and back-draft hood for gas ranges



March 19, l929.- J, MCCARTHY ELUE AND BACK DRAFT HOOD FOR (ms RANGES Filed Feb. 28, 1927 Patented Mar. 19, 1929.

STATES JOSEPH A. MCCARTHY, or JAMAICA, NEW ,YORK.

FLUE AND BACK-DRAFT noon ro'n oAs RANGES.

Application filed February 28, 1927. Serial No. 171,564.

This invention relates to a flue and back draft hood for gas ranges, for taking 0E into the atmosphere, through a building Wall, with the opening in close proximity to the oven vent of a gas range, instead of leading same through a flue to the roof, of the prod ucts of combustion; and has for its object the prevention of any back draft from extin guishing the combustion chamber flame, thereby causing personal injury; as well as the conservation of oven heat by breaking the draft, thus preventing the forced draft from drawing the heat from the oven with velocity.

With the above objects in view, the invention consists essentially in the arrangement and construction of parts hereinafter more particularly described and later pointed out in the appended claims, reference being had to the accompanying drawing in'which:

Fig. 1 horizontal section through the flue pipe.

Fig. 2 is top view of Fig. 1.

Fig. 3 back View of conical hood and flanged ring.

Fig. 4: support of baffle plate.

Referring to the drawing, the hue comprises an oblong box A having opening 12 with ribs 1 and 2 running laterally, staggered, extending half wayv from top and bottom respectively of box, and acting as baffles for any back draft fromthe atmosphere, and a length of pipe 4, su'lficiently long enoughto extend through the wall of a building,a conical hood 5 on the end of this pipe, within which is a ring 6, with three projecting prongs8, interlocking and supported in an annular'groove 7, said ring acting as a collar for pipe 4 from oven vent of combustion chamber, as well as for a support of baffle plate, 10, mounted on projecting prongs 9, and spaced from the bore of said ring 6, allowing the products of combustion to escape; at the same time breaking the draft, as well as deflecting any back draft into the room, thus preventing the ex-- and the like comprising an oblong box having an opening into the atmosphere, and staggered baffles running laterally andextending upwards and downwards from top and bot tom of box respectively, with a length of pipe attached to said box and adapted to extend through the wall of a building,to which is attached a conical hood on which is an annular groove; a ring with three projecting prongs interlocking and supported in conical hood by said groove.

2. A line and draft hood for gas ranges and the like comprising an oblong box having an opening into the atmosphere, and staggered baffles running laterally and extending upwards and downwards respectively from top and bottom of box, with a length of pipe at tached to said box and adapted to extend through the wall of a building, to which is attached aconical hood on which is an annular groove, a ring mounted in inlet endof pipe adapted'to extend through the wall, with three projecting prongs interlocking and supported inconical hood by said groove; with baffle plate spacedfrom the bore of said ring and supported on three projecting prongs on said groove.

Signed 1n Jamaica,

JOSEPH A. MQOARTHY.

v in I the county of 2 Queens, State of New York, this 25th day of February, A. 1)., 1927. I 

